| Link | Location | |
|---|---|---|
 | Dmitry Chuyko | Moscow, Russia |
| Kinga Chwastek | Krakow, Poland |
| Carl Chwiej | Hoboken, New Jersey, United States |
| Adam Chyła | Wrocław, Poland |
| Serhii Chystikov | Lodz, Poland |
| Silvio Ciabarra | Milan, Italy |
| Christopher Cianci | Toronto, Canada |
| Joseph Ciaravino | Minneapolis, Minnesota, United States |
| Mariusz Cichy | Warsaw, Poland |
| Michal Cichy | Wroclaw, Poland |
| Kristela Cicko | München, Germany |
| Bartosz Cieplik | Milan, Italy |
| Tadeusz Ciesielski | gdynia, Poland |
| Christoph Ciesla | München, Germany |
 | Agnieszka Cieślawska | Gdańsk, Poland |
